class_docstr: FastAI callback integration.
  Pass an instance of this class to FastAI learner as argument ``cbs``.
  FastAI will call relavent mehtods of this class to log metrics.
code: def __init__(self, **kwargs):
      super().__init__(**kwargs)
  
file_path: labml/client/labml/utils/fastai.py
imports: from fastai.callback.core import Callback, patch
  from fastai.learner import Learner
  from labml import tracker
label_desc: Use image node_id 1 to create a new LabMLFastAICallback object from inherited base classes: Callback with example: obj = LabMLFastAICallback()